20163846820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1\times {\mathrm{1303}}^1$

素因数の和:2501

約数の個数: 96

約数和(自身を含む): 46538779392

約数和(自身を除く): 26374932572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1123, 1303, 1378, 2246, 2606, 2756, 3445, 4492, 5212, 5615, 6515, 6890, 11230, 13030, 13780, 14599, 16939, 22460, 26060, 29198, 33878, 58396, 59519, 67756, 69059, 72995, 84695, 119038, 138118, 145990, 169390, 238076, 276236, 291980, 297595, 338780, 345295, 595190, 690590, 773747, 897767, 1190380, 1381180, 1463269, 1547494, 1795534, 2926538, 3094988, 3591068, 3868735, 4488835, 5853076, 7316345, 7737470, 8977670, 14632690, 15474940, 17955340, 19022497, 29265380, 38044994, 76089988, 77553257, 95112485, 155106514, 190224970, 310213028, 380449940, 387766285, 775532570, 1008192341, 1551065140, 2016384682, 4032769364, 5040961705, 10081923410, 20163846820]

約数ペア:

[(1, 20163846820), (2, 10081923410), (4, 5040961705), (5, 4032769364), (10, 2016384682), (13, 1551065140), (20, 1008192341), (26, 775532570), (52, 387766285), (53, 380449940), (65, 310213028), (106, 190224970), (130, 155106514), (212, 95112485), (260, 77553257), (265, 76089988), (530, 38044994), (689, 29265380), (1060, 19022497), (1123, 17955340), (1303, 15474940), (1378, 14632690), (2246, 8977670), (2606, 7737470), (2756, 7316345), (3445, 5853076), (4492, 4488835), (5212, 3868735), (5615, 3591068), (6515, 3094988), (6890, 2926538), (11230, 1795534), (13030, 1547494), (13780, 1463269), (14599, 1381180), (16939, 1190380), (22460, 897767), (26060, 773747), (29198, 690590), (33878, 595190), (58396, 345295), (59519, 338780), (67756, 297595), (69059, 291980), (72995, 276236), (84695, 238076), (119038, 169390), (138118, 145990)]